CN208114598U - A kind of wireless transmission CT system - Google Patents
A kind of wireless transmission CT system Download PDFInfo
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- CN208114598U CN208114598U CN201721488812.0U CN201721488812U CN208114598U CN 208114598 U CN208114598 U CN 208114598U CN 201721488812 U CN201721488812 U CN 201721488812U CN 208114598 U CN208114598 U CN 208114598U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
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Abstract
The utility model provides a kind of wireless transmission CT system, including industrial personal computer module, slip ring and machine control modules and primary server module, industrial personal computer module includes industrial personal computer and wireless sending module, and industrial personal computer and X-ray detector communicate to connect, and wireless sending module and industrial personal computer communicate to connect；Slip ring and machine control modules include slip ring and mechanical control equipment, and slip ring is electrically connected with x ray generator, collimator, X-ray detector and industrial personal computer module respectively with mechanical control equipment；Primary server module includes primary server and wireless receiving module, and primary server and slip ring communicate to connect, and primary server with the matched wireless receiving module of wireless sending module and industrial personal computer module simultaneously by communicating to connect.The utility model can high quality completion CT system data transmission and reduce cost.
Description
Technical field
The utility model relates to medical instruments fields, relate more specifically to a kind of wireless transmission CT system.
Background technique
CT (Computerized Tomography, computer tomography) is that one kind is not destroying detected object knot
Under the premise of structure, certain physical quantity (such as velocity of wave, X-ray light intensity, electronics beam intensity) according to acquired in detected object periphery
Data for projection by computer disposal, rebuild the X-Y scheme in the specific level of detected object with certain mathematical method
Picture and a series of technology that 3-D images are constituted according to above-mentioned two dimensional images.CT equipment mainly includes following three parts：①
Sweep test comprising x-ray source, detector and scanning support, x-ray source emit X-ray beam to detected object concrete position
Certain thickness level is scanned, and detector receives the x-ray through the level and is transformed into visible light, further by light
Electric transducer will be seen that light is changed into electric signal, and electric signal switchs to digital signal through analog/digital converter again；2. department of computer science
System, the digital signal information data that sweep test is collected into carry out operation, storage；3. image is shown and storage system,
The image for handling, rebuilding through computer system is shown on TV screen or is taken the photograph with several cameras or laser camera by image
Under (Jing Chi, Caiming Zhang.Optimization of Medical CT Data with High Precision
[J] .Computer-Aided Design and Applications, 2013).
In addition to this, the bulk information data as involved in CT treatment process, data transmission system are also important in CT
Component part, for existing Medical CT or Micro-CT scanning, following several modes are mainly taken in data transmission：
Still carry out the transmission of power supply signal and data-signal in first, existing CT design using slip ring mostly,
The wherein transmission of power supply signal only needs to consider voltage and power, and the transmission of data-signal then for fiber bandwidth require compared with
Height, with CT technology gradually mature and the technologies such as Multi-section CT it is universal, CT data volume increased dramatically, hence for slip ring bandwidth
Requirement increase, for example, slip ring bore is larger, due to data volume for a certain number of animals CT and industrial Micro-CT scanning
Increasing, for data transmission bandwidth requirement be gradually increased, it is used be more than 150mm heavy caliber optical fiber slip ring,
More than 10 channels are needed, total bandwidth is more than the optical fibre channel of 1KMB, and technology manufacturing cost and maintenance cost are all relatively high.
In addition, requiring very high, tiny particle in slip ring for the cleaning of optical path, dust etc. can all be caused the transmission of signal
Large effect.(discussion [J] of data transfer mode in the development of Li Zhengxiang, Ge Jianxin, CT technology, Chinese medicine equipment,
2011)。
Second, some CT products use the small slip ring of closed pore, utilize lesser slip ring, set no through-hole for instrument
Form avoids high-tech caused by heavy caliber slip ring to reduce the slip ring data transmission difficulty under heavy caliber, high bandwidth
The CT design of cost, but popularizing due to the animal compound instrument and equipment such as PET/CT, closed pore can be to PET dynamic scan, gas
Fiber crops solution etc. brings certain limitation.
Third for certain Micro-CT scannings, and does not use rotating circular disk, but motor is utilized to drive sample rotates, uses
Sample rotation replace traditional CT in CT disk rotation, use fixed disk with reduce needed in rotation using slip ring into
The mode of row high band wide data transmission, but a degree of coiling is still had in this method, signal is transmitted and there is interference, drop
Low Signal-to-Noise reduces service life (Yanye, the Lu Kun, Qiushi, Ren, An of data transmission and power transmission line
Integrated quad-modality molecular imaging system for small animals [J],
Journal of nuclear medicine：Official publication, Society of Nuclear Medicine,
2014)。
In view of the foregoing it is apparent that there are two kinds of trend in animal CT of today and the design of industrial Micro-CT scanning, it is a kind of be after
Continuous to use heavy caliber, the slip ring of high bandwidth carries out the transmission conduction of power supply signal and data-signal, but due to heavy caliber optical fiber
The higher cost of slip ring, maintenance difficulties are larger, can greatly improve the development cost of product；And another be then to give up uses greatly
Bore, the optical fiber slip ring of high bandwidth, by the way of small-bore slip ring or rotated sample, which can reduce CT machine in slip ring
Partial cost, but the design of blind hole will lead to the limitation of certain zoopery and industrial detection, while rotate sample
The method of product can in terms of interfere to output transmission, reduce data SNR.It is a kind of simultaneous it is therefore desirable to develop
Has the CT data transmission system of data transmission quality and low cost.
Utility model content
The purpose of the utility model is to provide a kind of wireless transmission CT systems, so that CT system cannot in the prior art for solution
The problem of taking into account data transmission quality and cost.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is to provide a kind of wireless transmission CT system, should
CT system includes scan module, the scan module include x ray generator, collimator and with the matched X of x ray generator
Ray detector, the CT system further include：Industrial personal computer module, the industrial personal computer module include industrial personal computer and wireless transmission mould
Block, the industrial personal computer and the X-ray detector communicate to connect, and the wireless sending module and the industrial personal computer communicate to connect；
Slip ring and machine control modules, the slip ring and machine control modules include slip ring and mechanical control equipment, the slip ring with
The mechanical control equipment respectively with the x ray generator, the collimator, the X-ray detector and the industry control
The electrical connection of machine module；And primary server module, the primary server module include primary server and wireless receiving module, institute
It states primary server and the slip ring communicates to connect, the primary server is simultaneously by matched described with the wireless sending module
Wireless receiving module and the industrial personal computer module communicate to connect.
One embodiment according to the present utility model, the industrial personal computer are visited by Camera Link mode and the X-ray
Survey device communication connection.
One embodiment according to the present utility model, the wireless sending module become one with the industrial personal computer.
One embodiment according to the present utility model, the wireless sending module using WiFi, WIDI, WHDI, WIGig or
Person's ZigBee technology is wirelessly transferred.
One embodiment according to the present utility model, the industrial personal computer are computer, single-chip microcontroller, ARM or FPGA.
X-ray detector is connected directly to industrial personal computer, then passes through work by wireless transmission CT system provided by the utility model
Radio transmission of digital signals to primary server is carried out image reconstruction by control machine, has been abandoned and has been used heavy caliber high bandwidth in traditional technology
The case where optical fiber slip ring carries out data transmission carries out the transmission of power supply signal using only slip ring, compares conventional animal CT and industry
The sliding ring part of Micro-CT scanning needs more than ten channel transfers to be greater than the detector data of 1KMB bandwidth, greatly reduce cost with
And technical difficulty, and reduce the complexity of maintenance aspect, wireless technology is utilized in signal transmission, ensure that big data quantity feelings
The integrality and validity of data under condition.Intermediate steps by industrial personal computer as data signal transmission, so that slip ring only needs
The transmission that power supply signal is carried out to primary server, the sliding ring part compared to conventional animal CT and industrial Micro-CT scanning need more than ten to lead to
Road transmission is greater than the detector data of 1KMB bandwidth, greatly reduces cost and technical difficulty, and reduces maintenance aspect
Complexity.Wireless technology is utilized in data signal transmission part, ensure that the integrality of data in the case of big data quantity and is had
Effect property.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram of CT machine according to prior art；
Fig. 2 is the arrangement schematic diagram of the wireless transmission CT system of one embodiment according to the present utility model；
Fig. 3 is the modular structure schematic diagram of the wireless transmission CT system of one embodiment according to the present utility model；
Fig. 4 is that the connection of the industrial personal computer of the wireless transmission CT system of one embodiment according to the present utility model and data pass
Pass schematic diagram；
Fig. 5 is the use step schematic diagram of the wireless transmission CT system of one embodiment according to the present utility model.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described further.It should be understood that following embodiment is only used for
The range that bright the utility model rather than limits the present invention.
Fig. 1 is according to the arrangement schematic diagram of the CT machine of the prior art, and as shown in Figure 1, traditional CT machine generally includes static
With two parts of rotation, stationary part is provided with control system and image re-construction system, and rotating part is provided with X-ray
Device, collimator, corresponding detector and data acquisition module, the X-ray of x ray generator transmitting quilt after imaging space
Detector receives, and digital signal, primary server are amplified and be converted to the analog signal that data acquisition module detects detector
The operation such as image reconstruction is carried out to digital signal.In traditional Medical CT or industrial Micro-CT scanning, data transmission module is usual
Carried out data transmission using the optical fiber slip ring of high bandwidth, power supply signal and data-signal are utilized into RF coupling, infrared couplings etc.
Mode is sent to primary server and is handled.
The utility model has abandoned the traditional approach that data signal transmission is carried out using optical fiber slip ring, such as Fig. 2 and Fig. 3 institute
Show, CT system provided by the utility model include scan module 10, industrial personal computer module 20, slip ring and machine control modules 30 and
Primary server module 40, wherein scan module 10 include x ray generator 11, collimator 12, X-ray detector 13 and its
It is arranged, and x ray generator 11, collimator 12, X-ray detector 13 are mounted on the rotating part of CT system, structure and
Arrangement substantially with it is consistent in the prior art, details are not described herein；Industrial personal computer module 20 includes industrial personal computer 21, wireless sending module
22, industrial personal computer 21 is installed on the rotating part of CT system, and specifically, industrial personal computer 21 is mountable to the CT circle of CT system rotating part
In ring, industrial personal computer 21 by Camera Link (Camera link standard by U.S. automatic industrial association AIA customize, modification,
Publication) mode connect to receive detector signal detected by X-ray detector 13 with X-ray detector 13, transmits wirelessly
Module 22 and industrial personal computer 21 communicate to connect, it is preferable that wireless sending module 22 becomes one with industrial personal computer 21；Slip ring and machinery
Control module 30 includes slip ring 31 and machine control unit, and the bore dia of slip ring 31 can be required according to CT system framework by ability
Field technique personnel determine that this is not restricted；Mechanical control equipment includes drive apparatus and motor, and motor can be according to CT system
It needs to select the components such as stepper motor or servo motor, drive apparatus can be required according to CT system framework by those skilled in the art
Member determines that this is not restricted；Primary server module 40 includes primary server 41 and wireless receiving module 42, wireless receiving mould
Block 42 is matched with wireless sending module 22 with pick-up probe signal, primary server 41 and wireless receiving module 42 communicate to connect with
According to the detector signal received, primary server 41 is also connect with slip ring and machine control modules 30 to receive power supply signal,
Primary server 41 carries out image reconstruction, storage, display, output and CT scan parameter according to detector signal and power supply signal
Setting and monitoring.
More specifically, since industrial personal computer module 20 is installed in CT annulus, need to increase CT annulus corresponding with reseting
Meter, to guarantee the stability of its rotation, this belongs to those skilled in the art's technological means easy to accomplish, and details are not described herein.
Industrial personal computer 21 in the utility model is preferably the industrial computer of superior performance, similar with conventional computer,
Industrial personal computer 21 needs to be equipped with high performance arithmetic processor, for example is better than intel I7-7700k or similar calculation process
Device, it is also necessary to be equipped with high speed solid hard disk, such as better than 850 PRO SATA3 of SAMSUNG or the high speed solid of similar performance
Hard disk, to guarantee the speed and stability of data storage.Computer, single-chip microcontroller, ARM (Acorn also can be used in industrial personal computer 21
RISC Machine, processor) or FPGA (Field-Programmable Gate Array, field programmable gate array)
Deng.Wireless sending module 22 can also be penetrated by common interfaces and X such as Gige (Gigabit Ethernet) interface, USB interfaces
Line detector 13 connects, and wireless sending module 22 can directly adopt the wireless network routing module of industrial personal computer 21, use wifi technology
Connection is matched with the wireless receiving module 42 on primary server 41 to complete the data transmission of high speed and high quality；Transmit wirelessly mould
WIDI (Intel Wireless Display, WirelessHD technology), WHDI (Wireless Home also can be used in block 22
Digital Interface, wireless family digital interface), WIGig (Wireless Gigabit, wireless gigabit) or
A kind of ZigBee (short-distance wireless communication technology) technology is wirelessly transferred.
Further, 3-6 item should be equipped in the slip ring 31 in the utility model meet 220-240V, 5-10A, 50-60Hz
The power supply signal access of parameter request, slip ring can equally use heavy caliber optical fiber slip ring, and slip ring only transmits electricity to primary server 41
Source partial data.
Primary server 41 and wireless receiving module 42 in the utility model can become one, and wireless receiving module 42 can
The detection data of the transmission of industrial personal computer 21 is received using wifi module.
More specifically, as shown in figure 4, the connection of the radio transmitting device of CT system provided by the utility model and data pass
Defeated mode is as follows, and in the imaging process of CT system, the x ray generator (Fig. 2) being arranged on rotating part issues X-ray, and X is penetrated
Line passes through the subject placed in imaging space or imaging space, is similarly disposed at the corresponding X-ray detection of rotating part
Device 13 detects X-ray and forms detectable signal, and X-ray detector 13 is connect by Camera Link interface with industrial personal computer 21, work
Control machine 21 includes wireless sending module 22, processor 23, solid state hard disk storage 24, video card 25 and other equipment 26, processor
23 receive the detectable signal from X-ray detector 13, and amplify, integrate to detectable signal, a system such as analog-to-digital conversion
Column processing is to be converted to digital signal for detectable signal, and solid state hard disk storage 24 is for storing the number handled by processor 23
Signal, video card 25 are used to undertake the task of output display figure, and digital signal passes through matched wireless sending module 22 and nothing
Line receiving module is sent to primary server 41.On the other hand, the power supply signal that slip ring 31 meets parameter request by several is logical
Road is connect with primary server 41, and the power data of each component of rotating part is sent to primary server by power supply signal access
41, primary server 41 carries out image reconstruction, storage, display, output and CT according to the digital signal and power supply signal received
The setting and monitoring of sweep parameter.
X-ray detector is connected directly to industrial personal computer, then passes through work by wireless transmission CT system provided by the utility model
Radio transmission of digital signals to primary server is carried out image reconstruction by control machine, has been abandoned and has been used heavy caliber high bandwidth in traditional technology
The case where optical fiber slip ring carries out data transmission carries out the transmission of power supply signal using only slip ring, compares conventional animal CT and industry
The sliding ring part of Micro-CT scanning needs more than ten channel transfers to be greater than the detector data of 1KMB bandwidth, greatly reduce cost with
And technical difficulty, and reduce the complexity of maintenance aspect, wireless technology is utilized in signal transmission, ensure that big data quantity feelings
The integrality and validity of data under condition.Meanwhile the utility model is mainly calculated using industry in data transmission and phase of regeneration
Machine technology, it is developing faster compared to traditional slip ring mechanical technique, it would be even more beneficial to improve data transfer speed and quality, root
According to Moore's Law, the high speed development of computer will give CT hardware bigger space, and can more effectively reduce cost.
As shown in figure 5, the operating procedure of wireless transmission CT system provided by the utility model, includes the following steps：
Step S1：X-ray detector is connect with industrial personal computer, whether test industrial personal computer can obtain X-ray detector hair
The data-signal sent, if can if carry out in next step；
Step S2：The wireless receiving module of the wireless sending module of industrial personal computer and primary server is connected, and tests connection
Whether normal, can detection primary server obtain the data-signal of industrial personal computer transmission, if can if carry out in next step；
Step S3：Test the connection of primary server and slip ring, and test slip ring and can normally send power supply signal, if can if
It carries out in next step；
Step S4：Start to be scanned subject, primary server moves and leads to using the disk of slip ring control CT system
Cross X-ray detector acquisition data-signal；
Step S5：Scanning is completed, and primary server carries out image reconstruction and display to data-signal.
More specifically, industrial personal computer can connect display or long-range control is operated, and X-ray is visited in above-mentioned steps S1
It surveys device and is attached with industrial personal computer using Camera-Link mode, industrial personal computer is tested using matched image capturing software,
If the data-signal of energy normal acquisition X-ray detector, X-ray detector are connect normally with industrial personal computer.
In above-mentioned steps S2, primary server and industrial personal computer are connected to same office using the wireless sending module of industrial personal computer
In the net of domain, primary server utilizes the transmission speed and packet loss of data transmission software data signal under test, it is ensured that CT scan
High speed of the data-signal from industrial personal computer to primary server effectively transmit.
It in above-mentioned steps S3, is connect using slip ring with primary server, primary server has tested whether that power supply signal is certainly sliding
Ring is incoming, can carry out step S4 and step S5 after power supply signal transmission is normal.
It is worth noting that, component used in the radio transmitting method of CT system provided by the utility model is practical with this
The component of the wireless transmission CT system of novel offer is identical, and details are not described herein.
The radio transmitting method of CT system provided by the utility model, the centre by industrial personal computer as data signal transmission
Step, so that slip ring only needs to carry out primary server the transmission of power supply signal, compared to conventional animal CT and industrial Micro-CT scanning
Sliding ring part needs more than ten channel transfers to be greater than the detector data of 1KMB bandwidth, greatly reduces cost and technology is difficult
Degree, and reduce the complexity of maintenance aspect.Wireless technology is utilized in data signal transmission part, ensure that big data quantity situation
The integrality and validity of lower data.
Above-described, the only preferred embodiment of the utility model is not intended to limit the scope of the utility model, this
Above-described embodiment of utility model can also make a variety of changes.I.e. all claims according to the present utility model application and
Simple, equivalent changes and modifications, fall within the claims of the utility model patent made by description.This
The not detailed description of utility model is routine techniques content.
Claims (5)
1. a kind of wireless transmission CT system, the wireless transmission CT system includes scan module, and the scan module includes X-ray
Generator, collimator and with the matched X-ray detector of x ray generator, which is characterized in that the wireless transmission CT system
Further include：
Industrial personal computer module, the industrial personal computer module include industrial personal computer and wireless sending module, the industrial personal computer and the X-ray
Detector communication connection, the wireless sending module and the industrial personal computer communicate to connect；
Slip ring and machine control modules, the slip ring and machine control modules include slip ring and mechanical control equipment, the cunning
Ring and the mechanical control equipment respectively with the x ray generator, the collimator, the X-ray detector and described
The electrical connection of industrial personal computer module；And
Primary server module, the primary server module include primary server and wireless receiving module, the primary server with
Slip ring communication connection, the primary server simultaneously by with the matched wireless receiving module of the wireless sending module
It is communicated to connect with the industrial personal computer module.
2. wireless transmission CT system according to claim 1, which is characterized in that the industrial personal computer passes through Camera Link
Mode and the X-ray detector communicate to connect.
3. wireless transmission CT system according to claim 1, which is characterized in that the wireless sending module and the industry control
Machine becomes one.
4. wireless transmission CT system according to claim 1, which is characterized in that the wireless sending module using WiFi,
WirelessHD technology, wireless family digital interface, wireless gigabit or ZigBee technology are wirelessly transferred.
5. wireless transmission CT system according to claim 1, which is characterized in that the industrial personal computer be computer, single-chip microcontroller,
Arm processor or FPGA.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107669290A (en) * | 2017-11-10 | 2018-02-09 | 苏州瑞派宁科技有限公司 | A kind of radio transmitting method for being wirelessly transferred CT system and CT system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107669290A (en) * | 2017-11-10 | 2018-02-09 | 苏州瑞派宁科技有限公司 | A kind of radio transmitting method for being wirelessly transferred CT system and CT system |
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